1876-77 'BRENTFORD' DATE STAMPS ON INCOMING MAIL FROM LONDON. 1876 mourning envelope London to Syon House Brentford with 1d (SG43) lettered SE tied LONDON/W.C 10 duplex JU 1 76, on reverse BRENTFORD date stamp JU 2 76. Also 1877 envelope London to Syon Park Cottage with 1d pl.199 (SG43) lettered DE tied LONDON/E 24 duplex MY 9 77, on reverse BRENTFORD date stamp MY 9 77. (Ref 91305).
